(Trifluoroacetyl) benzotriazole: A Convenient Trifluoroacetylating Reagent
AR Katritzky, B Yang, D Semenzin
Index: Katritzky, Alan R.; Yang, Baozhen; Semenzin, Delphine Journal of Organic Chemistry, 1997 , vol. 62, # 3 p. 726 - 728
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Citation Number: 74
Abstract
Trifluoroacetylation is important for the protection or activation of functional groups in organic and bioorganic synthesis. 1 Conventional reagents for trifluoroacetylation all have drawbacks or limitations:(i) trifluoroacetic anhydride2 has a low boiling point (39.5 C), is moisture sensitive, and is also too reactive for some applications;(ii) S-ethyl trifluorothioacetate forms the bad smelling by product ethanethiol; 3 (iii) ethyl ...
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